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package feed
import (
"fmt"
"strings"
"time"
"github.com/mmcdole/gofeed"
"github.com/Necoro/feed2imap-go/internal/feed/filter"
"github.com/Necoro/feed2imap-go/pkg/config"
"github.com/Necoro/feed2imap-go/pkg/log"
)
type Feed struct {
*config.Feed
feed *gofeed.Feed
filter *filter.Filter
items []item
cached CachedFeed
Global config.GlobalOptions
}
type feedDescriptor struct {
Name string
Url string
}
func (feed *Feed) descriptor() feedDescriptor {
var url string
if feed.Url != "" {
url = feed.Url
} else {
url = "exec://" + strings.Join(feed.Exec, "/")
}
return feedDescriptor{
Name: feed.Name,
Url: url,
}
}
func (feed *Feed) NeedsUpdate(updateTime time.Time) bool {
if feed.MinFreq == 0 { // shortcut
return true
}
if !updateTime.IsZero() && int(time.Since(updateTime).Hours()) < feed.MinFreq {
log.Printf("Feed '%s' does not need updating, skipping.", feed.Name)
return false
}
return true
}
func (feed *Feed) FetchSuccessful() bool {
return feed.feed != nil
}
func (feed *Feed) MarkSuccess() {
if feed.cached != nil {
feed.cached.Commit()
}
}
func Create(parsedFeed *config.Feed, global config.GlobalOptions) (*Feed, error) {
var itemFilter *filter.Filter
var err error
if parsedFeed.ItemFilter != "" {
if itemFilter, err = filter.New(parsedFeed.ItemFilter); err != nil {
return nil, fmt.Errorf("Feed %s: Parsing item-filter: %w", parsedFeed.Name, err)
}
}
return &Feed{Feed: parsedFeed, Global: global, filter: itemFilter}, nil
}
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